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152 results about "Critical distance" patented technology
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Critical distance is, in acoustics, the distance at which the sound pressure level of the direct sound D and the reverberant sound R are equal when dealing with a directional source. As the source is directional, the sound pressure as a function of distance between source and sampling point (listener) varies with their relative position, so that for a particular room and source the set of points where direct and reverberant sound pressure are equal constitutes a surface rather than a distinguished location in the room.
Touch-based mobile device and method for performing touch lock function of the mobile device
ActiveUS20110256848A1Easy to switchImprove convenienceUnauthorised/fraudulent call preventionEavesdropping prevention circuitsLock screenMobile device
A touch-based mobile device and a method for performing a touch lock function of the mobile device are provided. In the method, the device displays a touch lock screen in which a cover layer is superimposed over a specific underlying screen and allows the underlying screen to be visible. When an input of a touch moving gesture is detected, the device moves the cover layer depending on the touch moving gesture, and determines whether a distance of the touch moving gesture reaches a predefined critical distance. If so, the device removes the cover layer from the touch lock screen and switches the touch lock state to a touch unlock state, thus allowing a user to more conveniently switch the touch lock state to the touch unlock state.
Owner:SAMSUNG ELECTRONICS CO LTD
Portable Electronic System
InactiveUS20080232061A1Effective electrical connectionEfficient preparationDigital data processing detailsCoupling contact membersElectronic systemsElectrical connection
A portable electronic system including a body and a dock is described. The body has a waterproof first connector and a first attracting portion, wherein the first connector has a plurality of electrical terminals. The dock has a second connector and a second attracting portion, wherein the second connector has a plurality of retractable pogo pins. When the body is placed on the dock to make the first connector connected to the second connector, the magnetic force between the second attracting portion and the first attracting portion makes the electrical terminals compress the retractable pogo pins to a critical distance to achieve the electrical connection between the body and the dock.
Owner:ASUSTEK COMPUTER INC
Elevator system
InactiveUS20050279584A1Improve securitySmall distanceElevatorsBuilding liftsElevator systemEngineering
The invention relates to an elevator system with at least one shaft, in which at least two cars can be made to travel along a common traveling path, and also with a shaft information system for determining the positions and speeds of the cars, which is connected to an electrical safety device. In order to develop the elevator system in such a way that a high handling capacity can be achieved with constructionally simple means, while reliably preventing car collisions, it is proposed according to the invention that an emergency stop of at least one car is triggerable independently of the control units by means of the safety device if the distance between a first car and a second car or an end of the traveling path goes below a preselectable critical distance, and that the safety gear of at least one car is triggerable if the distance which this car assumes from the neighboring car or an end of the traveling path goes below a preselected minimum distance, the control units of at least all the cars of one traveling path being connected to one another and altogether forming a group control device.
Owner:TK ELEVATOR INNOVATION & OPERATIONS GMBH
Flow-through oxygenator
InactiveUS7396441B2Increase productionPromote growthElectrostatic separatorsTreatment using aerobic processesMicrobubblesDrip irrigation
An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The very small oxygen bubbles remain in suspension, forming a solution supersaturated in oxygen. A flow-through model for oxygenating flowing water is disclosed. The use of supersaturated water for enhancing the growth of plants is disclosed. Methods for applying supersaturated water to plants manually, by drip irrigation or in hydroponic culture are described. The treatment of waste water by raising the dissolved oxygen with the use of an oxygen emitter is disclosed.
Owner:OXYGENATOR WATER TECH +1
Flow-through oxygenator
InactiveUS20060150491A1High energy requirementIncrease biomassTreatment using aerobic processesSeed and root treatmentMicrobubblesDrip irrigation
An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The very small oxygen bubbles remain in suspension, forming a solution supersaturated in oxygen. A flow-through model for oxygenating flowing water is disclosed. The use of supersaturated water for enhancing the growth of plants is disclosed. Methods for applying supersaturated water to plants manually, by drip irrigation or in hydroponic culture are described. The treatment of waste water by raising the dissolved oxygen with the use of an oxygen emitter is disclosed.
Owner:OXYGENATOR WATER TECH
Robot autonomous barrier avoiding method and device
ActiveCN106054889ASensitive detectionProgramme controlProgramme-controlled manipulatorEngineeringMinimum distance
The invention provides a robot autonomous barrier avoiding method. The method includes acquiring the distance values between a robot and a barrier detected by a plurality of sensors respectively arranged at the left, middle and right sides of the robot; turning for 90 degrees toward the side where the detected smallest distance value is greater than the preset barrier critical distance if the smallest distance value detected by the sensor at the left side or the right side is greater than the preset barrier critical distance when the smallest distance value detected by the middle sensor of the robot is less than the preset middle distance threshold; and turning toward the left side for a first angle value if only the smallest distance value detected the sensor at the left side is greater than the preset barrier critical distance when the smallest distance value detected by the middle sensor of the robot is greater than the preset middle distance threshold. The robot can sensitively detect the barrier by arranging a plurality of sensors on the same direction side and obtaining the detected distance minimum values for comparison.
Owner:深圳市三宝创新机器人有限公司
Elevator installation
Owner:TK ELEVATOR INNOVATION & OPERATIONS GMBH
Method for team formation and separation of cooperative adaptive cruise control vehicle team
ActiveCN110070707ALimit spacingReduce transportation energy consumptionPlatooningCommunications systemControl system
The invention relates to a method for the team formation and the separation of a cooperative adaptive cruise control vehicle team. The method comprises the following steps that: S1) defining a relevant critical distance, a safe distance, team formation upper limit length and the like; S2) sending a self-vehicle state to other vehicles by a vehicle, and receiving vehicle team adding or leaving information sent from surrounding driven vehicles; S3) detecting and identifying a vehicle distance and the surrounding environment of the vehicle; and S4) analyzing the information received by each vehicle according to a self-set rule set by a control system, feeding back an execution result to a communication system, and releasing execution information to each vehicle by a communication system. Themethod formulates various self-set rules for vehicle team formation and separation, wherein the self-set rules include a rule for adding a single vehicle into the vehicle team, a rule for carrying outvehicle team formation, and a rule for separating the vehicle team into a plurality of vehicle teams. Therefore, the team formation and the separation of the cooperative adaptive cruise control vehicle team can be realized.
Owner:吴鼎新
Elevator system
InactiveUS7353912B2Improve securitySmall distanceElevatorsBuilding liftsElevator systemGroup control
The invention relates to an elevator system with at least one shaft, in which at least two cars can be made to travel along a common traveling path, and also with a shaft information system for determining the positions and speeds of the cars, which is connected to an electrical safety device. In order to develop the elevator system in such a way that a high handling capacity can be achieved with constructionally simple means, while reliably preventing car collisions, it is proposed according to the invention that an emergency stop of at least one car is triggerable independently of the control units by means of the safety device if the distance between a first car and a second car or an end of the traveling path goes below a preselectable critical distance, and that the safety gear of at least one car is triggerable if the distance which this car assumes from the neighboring car or an end of the traveling path goes below a preselected minimum distance, the control units of at least all the cars of one traveling path being connected to one another and altogether forming a group control device.
Owner:TK ELEVATOR INNOVATION & OPERATIONS GMBH
Method of providing golf contents in mobile terminal
A method of providing golf contents in a mobile terminal is disclosed. The method includes calculating the current location of the mobile terminal and a cup distance, displaying hole information if the cup distance is greater than a first critical distance, displaying green information if the cup distance is less than or equal to the first critical distance and greater than a second critical distance, and displaying a score record screen if the cup distance is less than or equal to the second critical distance.
Owner:SAMSUNG ELECTRONICS CO LTD
Vehicle safety anti-collision control method combining safety distance and collision time
InactiveCN109910879AAvoid collisionPrevention of reduced ride comfortEngineeringReliability engineering
The invention discloses a vehicle safety anti-collision control method combining safety distance and collision time, comprising the following steps of establishing a vehicle safety distance model; establishing a vehicle safety collision time model; and performing vehicle safety anti-collision decision. According to the method of the invention, an early warning distance is divided into three critical distances, namely a critical safety distance, a critical danger distance and a critical infinitesimal distance. Different safety prevention measures are provided for different distance phases, including safe driving tips, warnings, primary braking, secondary braking and emergency braking. Not only can ride comfort reduction caused by early braking be prevented, but also vehicle collision causedby delayed braking can be avoided. The method of the invention combines a safety distance model and a collision time model, which complement each other's deficiencies. The safety collision time modelcan compensate for the recognition error of a vehicle-mounted sensor on the safety distance; the safety distance model can make up for the infinite problem of TTC calculated by the safety collision time model.
Owner:DALIAN UNIV OF TECH
High density hybrid MOSFET device
InactiveUS7592650B2Improve configurationIncrease cell densityThyristorSolid-state devicesMOSFETHigh density
A hybrid semiconductor power device that includes a plurality of closed power transistor cells each surrounded by a first and second trenched gates constituting substantially a closed cell and a plurality of stripe cells comprising two substantially parallel trenched gates constituting substantially an elongated stripe cell wherein the closed cells and stripe cells constituting neighboring cells sharing trenched gates disposed thereinbetween as common boundary trenched gates. The closed MOSFET cell further includes a source contact disposed substantially at a center portion of the closed cell wherein the trenched gates are maintained a critical distance (CD) away from the source contact.
Owner:M MOS SEMICON
Big-data-oriented distributed density clustering method
ActiveCN104615638AImprove horizontal scalabilityUniversalSpecial data processing applicationsVirtualizationDistance matrix
A big-data-oriented distributed density clustering method comprises the following steps that firstly, environment virtualization is performed, and a Hadoop platform is established; secondly, data are pre-processed and loaded, wherein an original data table is extracted from a database, a needed field is intercepted through a sqoop-query command, and the pre-processed data are directly extracted to an Hdfs; thirdly, a distance matrix is calculated; fourthly, a cut-off distance and dot density are calculated; fifthly, the minimum distance between a dot and a higher-density dot is calculated; sixthly, the critical distance of a critical density point and a critical density point are determined; seventhly, dot clustering is performed, so a final clustering result is obtained; eighthly, off-group points are removed. The big-data-oriented distributed density clustering method is fast and effective when a big data set is processed, and has the effect that input parameters have good robustness on the clustering result.
Owner:浙江银江交通技术有限公司
Optical distance measuring apparatus
ActiveUS20140300887A1Optical rangefindersElectromagnetic wave reradiationTime of flightSignal amplification
An optical distance measuring apparatus including a light source, a variable mirror scanning the light on an object, a receiving device receiving light from the object, a detected signal amplifying unit detecting a light receiving signal obtained by the receiving device, an amplification control unit detecting a set target value of light sensitivity of the receiving device or sets the light sensitivity based on a light quantity of reflected light, and a distance calculation unit detecting a flight time of the ranging light from a light emitting signal and calculating a distance up to the object, wherein in a first scan period, the amplification control unit detects the set target value based on a light quantity of the reflected light, and in a second scan period, the amplification control unit sets sensitivity of the receiving device to the set target value and the distance calculation unit calculates the distance.
Owner:MAXELL HLDG LTD
Method for automatically selecting navigation path in personal navigation device
ActiveCN102200443ASimplify the navigation processImprove convenienceInstruments for road network navigationSatellite radio beaconingPersonal navigation deviceMarine navigation
The invention relates to a method for automatically selecting a navigation path in a personal navigation device. The method comprises the following steps of: detecting mode switching from a driving mode to a walking mode in the personal navigation device, recording a vehicle place during mode switching from the driving mode to the walking mode, receiving a requirement of a user so as to generate a navigation instruction that the user arrives at a destination, and judging a distance from a current position to the destination; and when the distance from the current position to the destination is greater than or equal to a critical distance, providing a walking navigation instruction by the personal navigation device so as to guide the user to return to the vehicle place, and providing a driving navigation instruction by the personal navigation device so as to guide the user to arrive at the destination.
Owner:MITAC INT CORP
Tuning apparatus for stringed instrument
InactiveUS7470841B1Continuously variable adjustmentThe process is simple and fastGuitarsPercussion musical instrumentsSingle foldEngineering
A stringed musical instrument is provided with a tremolo with a unitary base plate formed from a single folded or bent plate including a spring attachment means portion so that the tremolo is connected directly to the biasing springs; such a folded construction also includes multiple tiers stamped into the base plate portion for displacing the height of the second critical point on the intonation modules relative to the body of the instrument; the spring attachment means portion is fashioned such that the openings for anchoring the ends of the strings are aligned to openings in the base plate for threading the strings through the intonation modules. Additionally, intonation modules include alternative means for anchoring the strings located a critical distance from the second critical point essentially equal to the length of the anchoring portion or the reinforcement windings of the strings but not sufficient in length to engage the second critical point so as to render that portion of the string between the second critical point and the string anchor substantially inextensible.
Owner:MCCABE GEOFFREY L
Display apparatus and control method thereof
ActiveUS20170192486A1Reduce power consumptionNear-field transmissionStatic indicating devicesInformation controlDisplay device
Disclosed is a display apparatus including: a wireless power receiver configured to wirelessly receive power from an external power source to supply power to the display apparatus; a display configured to display an image based on a received image signal; communication circuitry configured to communicate with the external module; information acquiring circuitry configured to acquire information about a distance between the display apparatus and a user; and a controller configured to determine consumption power of the display apparatus, to control the communication circuitry to provide information about the determined consumption power to the external module, and to reduce the consumption power of the display apparatus if it is determined based on the acquired information that the user is within a predetermined critical distance of the display apparatus. Thus electromagnetic waves harmful to a human body is controlled to reduce and / or eliminate an affect a user.
Owner:SAMSUNG ELECTRONICS CO LTD
Two-electrode arc welding device and two-electrode arc welding method
InactiveCN102126066AAvoid arcingIncrease heat inputArc welding apparatusPlasma welding apparatusTorchElectric potential
A two-electrode arc welding device and two-electrode arc welding method are provided for performing welding with improved penetration performance using two non-consumable electrodes. In a two-electrode arc welding device 1, a power-supply unit 11 outputs a straight-polarity voltage and a reverse-polarity voltage, which has a different electrical potential than the straight-polarity voltage. The straight-polarity voltage output from the power-supply unit 11 is applied to a non-consumable electrode 41 of a straight-polarity arc torch 14, whereby an arc is formed. The reverse-polarity voltage output from the power-supply unit 11 is applied to a non-consumable electrode 41 of a straight-polarity arc torch 15, whereby an arc is formed. An arc spacing distance L1, which is a distance between the ends of both the straight-polarity arc torch 14 and the reverse-polarity arc torch 15, is set to be at least a minimum distance at which an arc will not occur therebetween (arc spacing critical distance).
Owner:HONDA MOTOR CO LTD
Touch-based mobile device and method for performing touch lock function of the mobile device
InactiveCN102844989AImprove ease of useEasy to switchUnauthorised/fraudulent call preventionServices signallingLock screenHuman–computer interaction
Owner:SAMSUNG ELECTRONICS CO LTD
Optical distance measuring apparatus
Owner:MAXELL HLDG LTD
Optical distance measuring sensor and electronic device
ActiveUS7995189B2Small sizeHigh measurement accuracyOptical rangefindersHeight/levelling measurementSignal processing circuitsElectric equipment
An optical distance measuring sensor includes a light receiving element arranged on the same plane as a light emitting element. The light receiving element includes a light receiving unit having a plurality of cells and collecting the light emitted from the light emitting element and reflected by a target object, a flash memory unit storing a predetermined position on the light receiving unit, and a signal processing circuit unit sensing the collection position of the light on the light receiving unit, and measuring the distance to the target object based on a relative positional relationship between the predetermined position stored in the flash memory unit and the collection position of the light on light receiving unit.
Owner:SHARP KK
Elevator installation
The invention relates to an elevator installation comprising at least one car, which has a safety gear and with which a control unit, a drive and a brake are associated, and further comprising a safety device for avoiding a collision of the car with an obstacle, another car or an end of the shaft, it being possible by means of the safety device to compare an actual distance of the car from an obstacle, another car or an end of the shaft with a minimum distance and a critical distance. If the actual distance goes below the minimum distance, an emergency stop can be triggered. If the actual distance goes below the critical distance, the safety gear of the car can be triggered. In order to develop the elevator installation in such a way that the distance that is to be maintained at the least by the car from an obstacle, another car or an end of the shaft can be reduced without an emergency stop or a safety gear being triggered, but a car collision can be reliably prevented, it is proposed that it is possible by means of the determining unit of the safety device to determine the critical distance in accordance with a prescribable emergency stop triggering curve and the minimum distance in accordance with a prescribable safety gear triggering curve, the safety gear triggering curve not touching the emergency stop traveling curve, and that it is possible to trigger the safety gear even before the car has reached the location with which the speed of zero is associated according to the emergency stop traveling curve.
Owner:TK ELEVATOR INNOVATION & OPERATIONS GMBH
Fourier infrared spectrometer and sample gas absorption cell
ActiveCN103278472AImprove the detection limit of the concentration signalIncrease the optical path lengthColor/spectral properties measurementsAbsorption cellCuvette
The invention discloses a Fourier infrared spectrum detection device. The Fourier infrared spectrum detection device comprises a sample gas absorption cell for absorbing sample gas, an interferometer for generating an interference optical signal for the light beam which passes through the sample gas in the sample gas absorption cell, a photoelectric detector for converting the interference optical signal into a voltage signal, and a control computer for performing Fourier transform on the voltage signal to convert the interference pattern into a spectrum chart, wherein the computer is controlled to solve the concentration information of the sample gas by inversion calculation, and optical adjustment lenses are arranged in the sample gas absorption cell so as to increase the optical distance. According to the Fourier infrared spectrum detection device, the optical adjustment lenses are additionally arranged in the sample gas absorption cell so as to change the light beam propagation path and increase the length of optical distance, and sequentially, the lower detection limit of the signal concentration is increased.
Owner:NANJING SHUNTAI TECH
Method for testing vertical radiation field type of target antenna
ActiveCN109030961ASolve space problemsSolve the errorAntenna radiation diagramsField conditionsVertical plane
The invention relates to a method for testing a vertical radiation field type of a target antenna. The method includes the steps that a critical distance is calculated; a test distance and a flight parameter of a UAV are set; the UAV is made to take a position point of the target antenna on the ground as a square center and edges of the square on the ground as a flight path to fly around the target antenna in a vertical plane; space field strength data are tested at test points on the flight path of the UAV; the critical distance and the test distance are compared, and a far-field condition test or a near-field condition test is determined; and true vertical radiation field-type figures of the target antenna in the far and near fields are calculated correspondingly. According to the methodfor testing the vertical radiation field type of the target antenna, on the one hand, test of the antenna vertical radiation field type of a device without stopping the device can be realized so thatthe operating hidden trouble of the antenna of the device can be found in time, and the protection efforts and work efficiency of air traffic control equipment in use can be improved; and on the other hand, test with distribution characteristics of long distance and upper air sounding signals are realized, and the bottleneck of ground and air test in a near area is broken.
Owner:CICIL AVIATION HUADONG NAVIGATION MANAGEMENT EQUIP INSTALLATION DEPT
Method and device for determining terminal measurement frequency in cell handover
InactiveCN102098703AMeasurement Frequency OptimizationReduce measurement frequencyWireless communicationComputer terminalComputer science
The invention discloses a method and a device for determining a terminal measurement frequency in a cell handover, relates to the technical field of radio communication, and provides a scheme for optimizing the terminal measurement frequency, which can reduce the measurement frequency of the terminal as much as possible on the premise of ensuring the success rate of the cell handover. The method provided by the embodiment of the invention comprises acquiring a first distance from the terminal to an evolved node base (eNB) of a service cell when the terminal moves from the service cell to a target cell and when the terminal is in accordance with handover conditions for the first time; and acquiring a critical distance from the terminal to the eNB of the service cell; calculating to obtain a handover effective distance by using the difference between the critical distance and the first distance; and determining the measurement frequency of the terminal according to the handover effective distance.
Owner:沈阳市联盛科技有限公司
Method of reducing power consumption of a radio badge in a boundary detection localization system
ActiveUS8130103B2Reduce power consumptionDigital data processing detailsVisual presentationCritical hoursLocalization system
A method of reducing power consumption of a radio badge in a boundary detection localization system is disclosed, in which the radio badge is carried by a tracked target and performs location sampling communication with an infrastructure component of the localization system at the start and end of sampling time intervals such that positions of the radio badge can be estimated. The method includes: determining a velocity of the radio badge; estimating a critical time for the radio badge to reach a critical region through division in which a critical distance from an estimated position obtained at the end of a most recent sampling time interval to the critical region is the dividend, and the velocity of the radio badge is the divisor; and controlling the radio badge to perform location sampling communication with the infrastructure component of the localization system at the end of the critical time.
Owner:NAT TAIWAN UNIV
Method and apparatus for distinguishing coal-burning boiler coal fines timely degree property
The invention relates to a method and a device for judging a coal burning boiler on fire and time performance characteristics. The device comprises a temperature measuring instrument, a cloud deck, an alarm, an A / D converter and a data processor. The temperature measuring instrument collects temperature signals at a certain rotation angle Theta range for a coal dust jet flow, a characteristic length l and a characteristic temperature t can be calculated through the collected temperature signals, a critical characteristic distance l' and a characteristic temperature t' for reflecting ignition characteristics of the coal dust air flow are measured on a design cost burning test under typical load, the characteristic length l and the characteristic temperature t are compared with the critical distance l' and the characteristic temperature t' to figure out the margin Alfa of the coal dust ignition and time performance temperature, and the ignition and time performance index Beta based on the characteristic length of the frontal area of the flame, and the coal dust ignition and the time performance are judged according to the two parameters. The device is remarkably characterized in that how the operational parameters change need not to be detected, such as fuel characteristics, wind speed at one time, wind density at one time, etc; the coal dust area temperature field can be directly detected to quantitatively and conveniently judge current ignition state of the fuel, thereby placing a high value for boiler safety, economy, and stable operation.
Owner:XI AN JIAOTONG UNIV
High bandwidth signal transmission device based on direct current carrier waves
ActiveCN103812527ASimple networkingLow costPower distribution line transmissionHigh bandwidthModem device
The invention discloses a high bandwidth signal transmission device based on direct current carrier waves. The device comprises a local side interference suppressor, a local side modem, a terminal interference suppressor and a terminal modem; a direct current power supply line passes through the local side interference suppressor to supply power for the local side modem, the local side modem loads a network signal onto the direct current power supply line in a coupling mode, and the direct current power supply line passes through the terminal interference suppressor to supply direct current power for an external device and the terminal modem; the terminal modem extracts a loading signal transmitted by the direct current power supply line through coupling, and then the signal is sent to a signal input end of the external device through modulation-demodulation. The high bandwidth signal transmission device based on the direct current carrier waves has the advantages that the networking is simple; connection of a whole system can be achieved only by addition of local side and terminal devices in the system through direct current power line carrier waves; costs are low, and the maintenance is convenient; the transmission distance is long, and the critical distance can reach 400 meters in laboratory environment; the transmission frequency range is wider than that of a common programmable logic controller (PLC) system, and the frequency range can reach 2-68MHz.
Owner:ZHEJIANG NEW ZAILING TECH CO LTD
Method and apparatus for applying a sheet to a substrate
ActiveUS20100083855A1Distortion of flexibleMinimize distortionLiquid surface applicatorsNanoinformaticsEngineeringDistortion
The invention provides a method and apparatus for laminating a sheet to a substrate in a stress free and distortion-less manner. The method comprises providing the sheet and substrate such that an attractive force between them exists that is capable of bringing the sheet and surface together at least when their distance is shorter than a critical distance. The method creates these conditions by locally making an initial contact between the sheet and substrate such that at a contact front, being the boundary between areas where the substrate and sheet are in contact and those where they are not in contact, these conditions exist. In a further step the sheet and substrate are allowed to gradually make contact such that the contact front advances along either of the substrate or sheet surface therewith increasing the contacting area between the substrate and the sheet. The method is advantages when used during imprint lithography or embossing processes or other processes where feature patterns need to be transferred from the substrate to the surface or vice versa.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Method for implementing highlight indication of implementing personal navigation device
InactiveCN101881618AAvoid bad personal habitsCircumvention of personal habitsInstruments for road network navigationPersonal navigation deviceHabit
The invention relates to a method for implementing highlight indication of a personal navigation device, which is a sending method for implementing warming information on the personal navigation device for helping a user to avoid a purchasing habit with potential threat. The sending method of the warming information comprises the following steps: determining a position of the personal navigation device; comparing the position of the personal navigation device with a plurality of restraint interest points according to preset; and starting the warming information when the position of the personal navigation device is located in a critical distance of any restraint interest point.
Owner:MITAC INT CORP
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